SELECT nl.legal_name, nl.city, c.description 'Country', it.lei, sec.sym
FROM name_loc nl
INNER JOIN ident_tbl_tmp it ON nl.fk_ident_id = it.id
INNER JOIN sym_exch_cnty sec ON it.fk_sec_id = sec.id
INNER JOIN countries c ON nl.fk_cnty_id = c.id
WHERE legal_name REGEXP '^For'
limit 100;
使用上述查询将返回500+行数据。的部分输出是:MySQL查询,用于查找使用REGEXP重复以匹配前7个字符
输出:
+------------------------------------------+--------------+----------------+----------------------+--------------+
| legal_name | city | Country | lei | sym |
+------------------------------------------+--------------+----------------+----------------------+--------------+
| FOREFRONT GROUP LTD HKD0.01(SUB | PENDING | HONG KONG | NA | 2903.HK |
| FOREFRONT HOLDINGS | PENDING | UNITED STATES | NA | FFHN |
| FOREIGN & COL INV TR | PENDING | UNITED STATES | NA | FLIVF |
| Foreign & Colonial Investment Trust | PENDING | NEW ZEALAND | NA | FCT.NZ |
| Foreign & Colonial Investment Trust | PENDING | UNITED KINGDOM | NA | FRCL.L |
| Foreign & Colonial Investment Trust PLC | London | UNITED KINGDOM | 8VHDVYVI7W11JH2PAC61 | NA |
| Foreland | PENDING | SINGAPORE | NA | E1:B0I.SI |
| Foreland | PENDING | SINGAPORE | NA | E2:B0I.SI |
我需要查询时,第一个字符“n”匹配和国家都是一样的,这将返回一个结果。
这将是对前7个字符相匹配的正确的结果:
+------------------------------------------+--------------+----------------+----------------------+--------------+
| legal_name | city | Country | lei | sym |
+------------------------------------------+--------------+----------------+----------------------+--------------+
| Foreign & Colonial Investment Trust | PENDING | UNITED KINGDOM | NA | FRCL.L |
| Foreign & Colonial Investment Trust PLC | London | UNITED KINGDOM | 8VHDVYVI7W11JH2PAC61 | NA |
| Foreland | PENDING | SINGAPORE | NA | E1:B0I.SI |
| Foreland | PENDING | SINGAPORE | NA | E2:B0I.SI |
这将是用于在第一14个字符相匹配的正确的结果:
+------------------------------------------+--------------+----------------+----------------------+--------------+
| legal_name | city | Country | lei | sym |
+------------------------------------------+--------------+----------------+----------------------+--------------+
| Foreign & Colonial Investment Trust | PENDING | UNITED KINGDOM | NA | FRCL.L |
| Foreign & Colonial Investment Trust PLC | London | UNITED KINGDOM | 8VHDVYVI7W11JH2PAC61 | NA |
我曾尝试过各种子查询,但没有运气。我认为我可能需要一个功能或程序,但我不确定。
对于“外国和殖民地......”在前7个字符中如何与“前陆”相匹配,我感到困惑? –
对不起,我的“Foreign&Colonial ...”中的前7个字符是“Foreign”,因此两行的名称基于legal_name中的前7个字符重复。 – John